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<blockfoursectionthree>
  <Question1>1. The received modulated carrier signal is applied to A7 P3 (Pin 3) via______, ______and ______, respectively.</Question1>
  <Choice1A>A10J18, A10J2, Al0Jl</Choice1A>
  <Choice1B>Al0J9, Al0J8, A10J2</Choice1B>
  <Choice1C>Al0J1, A10J2, Al0J18</Choice1C>
  <Choice1D>NONE</Choice1D>
  <Correct1>None</Correct1>
  <Reference1>Student Workbook Page 12, Section 3</Reference1>
  
  <Question2>2. P3 is the input to the ______ during the Receive mode.</Question2>
  <Choice2A>A10 chassis module</Choice2A>
  <Choice2B>A7 RF Filter module</Choice2B>
  <Choice2C>A4 module</Choice2C>
  <Choice2D>A8 Module</Choice2D>
  <Correct2>None</Correct2>
  <Reference2>Student Workbook Page 12, Section 3</Reference2>
  
  <Question3>3. P3 is connected directly to the</Question3>
  <Choice3A>A7A1</Choice3A>
  <Choice3B>A7A2</Choice3B>
  <Choice3C>A7A3</Choice3C>
  <Choice3D>A7A4</Choice3D>
  <Correct3>None</Correct3>
  <Reference3>Student Workbook Page 12, Section 3</Reference3>
  
  <Question4>4. (AN/GRC–171) P2 of the A7A3 module is applied to_______ of the A3 receiver RF module.</Question4>
  <Choice4A>Pl, Plug 7</Choice4A>
  <Choice4B>Pl, Plug 13</Choice4B>
  <Choice4C>A3J2</Choice4C>
  <Choice4D>A3Jl</Choice4D>
  <Correct4>None</Correct4>
  <Reference4>Student Workbook Page 12, Section 3</Reference4>
  
  <Question5>5. (AN/GRC–211) During receive, the output of the A7A3 module is applied to the</Question5>
  <Choice5A>A7Al module.</Choice5A>
  <Choice5B>A8A7 module.</Choice5B>
  <Choice5C>Receiver A3 module.</Choice5C>
  <Choice5D>Al0A5 module.</Choice5D>
  <Correct5>None</Correct5>
  <Reference5>Student Workbook Page 12, Section 3</Reference5>
  
  <Question6>6. (AN/GRC–211) What is the output of the synthesizer during receive operation?</Question6>
  <Choice6A>An unmodulated RF signal 30 MHz below the operating frequency</Choice6A>
  <Choice6B>A modulated RF signal 30 MHz below the operating frequency</Choice6B>
  <Choice6C>A modulated RF signal 30 MHz above the operating frequency</Choice6C>
  <Choice6D>An unmodulated RF signal 30 MHz above the operating frequency</Choice6D>
  <Correct6>None</Correct6>
  <Reference6>Student Workbook Page 12, Section 3</Reference6>
  
  <Question7>7. (AN/GRC–171) What is the output of the synthesizer during receive operation?</Question7>
  <Choice7A>An unmodulated signal 30 MHz below the operating frequency</Choice7A>
  <Choice7B>A modulated signal 30 MHz below the operating frequency</Choice7B>
  <Choice7C>A modulated signal 30 MHz above the operating frequency</Choice7C>
  <Choice7D>An unmodulated signal 30 MHz above the operating frequency</Choice7D>
  <Correct7>None</Correct7>
  <Reference7>Student Workbook Page 12, Section 3</Reference7>
  
  <Question8>8. What is the purpose of the noise channel IF circuit?</Question8>
  <Choice8A>Cuts off the injection amplifier for sharp noise pulses, e.g., radar pulses</Choice8A>
  <Choice8B>Degenerative feedback circuit to keep the 30 MHz IF constant</Choice8B>
  <Choice8C>Amplifies the 19.3 MHz oscillator signal</Choice8C>
  <Choice8D>NONE</Choice8D>
  <Correct8>None</Correct8>
  <Reference8>Student Workbook Page 12, Section 3</Reference8>
  
  <Question9>9. What is the function of the detector?</Question9>
  <Choice9A>It detects the audio.</Choice9A>
  <Choice9B>It provides a carrier derived DC voltage that is used as AGC.</Choice9B>
  <Choice9C>both a and b</Choice9C>
  <Choice9D>NONE</Choice9D>
  <Correct9>None</Correct9>
  <Reference9>Student Workbook Page 12, Section 3</Reference9>
  
  <Question10>10. How many stages of AGC are developed?</Question10>
  <Choice10A>1</Choice10A>
  <Choice10B>2</Choice10B>
  <Choice10C>3</Choice10C>
  <Choice10D>4</Choice10D>
  <Correct10>None</Correct10>
  <Reference10>Student Workbook Page 12, Section 3</Reference10>
  
  <Question11>11. What is the function of the compression amplifier in the A4 module?</Question11>
  <Choice11A>It limits the output signal if the input signal gets too large.</Choice11A>
  <Choice11B>It amplifies and controls the output signal.</Choice11B>
  <Choice11C>It keeps the output signal constant for varying input signals.</Choice11C>
  <Choice11D>It provides all of the above.</Choice11D>
  <Correct11>None</Correct11>
  <Reference11>Student Workbook Page 12, Section 3</Reference11>
  
  <Question12>12. What is the frequency range of the signal at J13 pin S?</Question12>
  <Choice12A>16 Hz to 25000 Hz</Choice12A>
  <Choice12B>300 Hz to 6000 Hz</Choice12B>
  <Choice12C>300 Hz to 3000 Hz</Choice12C>
  <Choice12D>NONE</Choice12D>
  <Correct12>None</Correct12>
  <Reference12>Student Workbook Page 12, Section 3</Reference12>
  
  <Question13>13. The squelch relay is energized; this means that the set is</Question13>
  <Choice13A>Squelched</Choice13A>
  <Choice13B>Unsquelched</Choice13B>
  <Choice13C>NONE</Choice13C>
  <Choice13D>NONE</Choice13D>
  <Correct13>None</Correct13>
  <Reference13>Student Workbook Page 12, Section 3</Reference13>
  
  <Question14>14. The receiver RF module has a _______ MHz IF and a _________ MHz IF.</Question14>
  <Choice14A>20.7; 17</Choice14A>
  <Choice14B>30; 10.7</Choice14B>
  <Choice14C>19.3; 10.7</Choice14C>
  <Choice14D>30; 19.3</Choice14D>
  <Correct14>None</Correct14>
  <Reference14>Student Workbook Page 12, Section 3</Reference14>
  
  <Question15>15. The receiver has ____________ conversion.</Question15>
  <Choice15A>Single</Choice15A>
  <Choice15B>Double</Choice15B>
  <Choice15C>Triple</Choice15C>
  <Choice15D>Quadruple</Choice15D>
  <Correct15>None</Correct15>
  <Reference15>Student Workbook Page 12, Section 3</Reference15>

  <Question16>16. Which filter determines the overall selectivity of the receiver?</Question16>
  <Choice16A>10.7 MHz IF Amplifier</Choice16A>
  <Choice16B>30 MHz IF Amplifier</Choice16B>
  <Choice16C>A7 RF Filter</Choice16C>
  <Choice16D>A7 Directional Coupler</Choice16D>
  <Correct16>None</Correct16>
  <Reference16>Student Workbook Page 12, Section 3</Reference16>

  <Question17>17. What is the function of the noise channel detector circuit?</Question17>
  <Choice17A>It couples normal audio signals to ground.</Choice17A>
  <Choice17B>It causes the first mixer to cut off during impulse type noise.</Choice17B>
  <Choice17C>It causes the injection amplifier to cut off during sharp noise pulses like those of radar transmissions.</Choice17C>
  <Choice17D>All of the above</Choice17D>
  <Correct17>None</Correct17>
  <Reference17>Student Workbook Page 12, Section 3</Reference17>

  <Question18>18. If the Noise Blanker Gate gets an inhibit signal from the Noise Channel IF circuit</Question18>
  <Choice18A>There is no 10.7 MHz IF.</Choice18A>
  <Choice18B>The 19.3 MHz oscillator is turned off.</Choice18B>
  <Choice18C>The Injection amplifier is on.</Choice18C>
  <Choice18D>All of the above</Choice18D>
  <Correct18>None</Correct18>
  <Reference18>Student Workbook Page 12, Section 3</Reference18>

  <Question19>19. If the Noise Blanker is disabled at all times, this could mean that</Question19>
  <Choice19A>The transceiver is set up to receive data.</Choice19A>
  <Choice19B>A ground is placed on External Noise Blanker disable input.</Choice19B>
  <Choice19C>The Receiver Audio output is muted.</Choice19C>
  <Choice19D>Both a and b</Choice19D>
  <Correct19>None</Correct19>
  <Reference19>Student Workbook Page 12, Section 3</Reference19>

  <Question20>20. What is the function of the Detector?</Question20>
  <Choice20A>It shunts the IF to ground, allowing only the audio to pass through.</Choice20A>
  <Choice20B>It detects the audio only.</Choice20B>
  <Choice20C>It produces a carrier-derived DC voltage that is varied at an audio rate.</Choice20C>
  <Choice20D>It establishes an AGC voltage that increases the gain of the amplifiers as the carrier signal increases at the antenna.</Choice20D>
  <Correct20>None</Correct20>
  <Reference20>Student Workbook Page 12, Section 3</Reference20>

  <Question21>21. How many stages of AGC are used in the AN/GRC–171?</Question21>
  <Choice21A>1</Choice21A>
  <Choice21B>2</Choice21B>
  <Choice21C>3</Choice21C>
  <Choice21D>4</Choice21D>
  <Correct21>None</Correct21>
  <Reference21>Student Workbook Page 12, Section 3</Reference21>

  <Question22>22. The ____ module uses the RF Attenuation stage of AGC at A3J12 Pin 10.</Question22>
  <Choice22A>A3</Choice22A>
  <Choice22B>A5</Choice22B>
  <Choice22C>A7</Choice22C>
  <Choice22D>A8</Choice22D>
  <Correct22>None</Correct22>
  <Reference22>Student Workbook Page 12, Section 3</Reference22>

  <Question23>23. Which stage of AGC is the most active between 3 microvolts and 10 microvolts at the antenna?</Question23>
  <Choice23A>10.7 MHz IF</Choice23A>
  <Choice23B>RF attenuator</Choice23B>
  <Choice23C>30 MHz IF</Choice23C>
  <Choice23D>NONE</Choice23D>
  <Correct23>None</Correct23>
  <Reference23>Student Workbook Page 12, Section 3</Reference23>

  <Question24>24. The squelch sample at A3J12 Pin 9 is applied to the ____________ module.</Question24>
  <Choice24A>A4 transmit</Choice24A>
  <Choice24B>A4 receive</Choice24B>
  <Choice24C>A2</Choice24C>
  <Choice24D>A1</Choice24D>
  <Correct24>None</Correct24>
  <Reference24>Student Workbook Page 12, Section 3</Reference24>
  
  <Question25>25. The output audio on Pin 7 of the A3 is applied to the __________ module.</Question25>
  <Choice25A>A4 receive</Choice25A>
  <Choice25B>A4 transmit</Choice25B>
  <Choice25C>A8</Choice25C>
  <Choice25D>A7</Choice25D>
  <Correct25>None</Correct25>
  <Reference25>Student Workbook Page 12, Section 3</Reference25>

  <Question26>26. If the squelch switch is in the off position, there is a constant output to the speaker/phone.</Question26>
  <Choice26A>True</Choice26A>
  <Choice26B>False</Choice26B>
  <Choice26C>NONE</Choice26C>
  <Choice26D>NONE</Choice26D>
  <Correct26>None</Correct26>
  <Reference26>Student Workbook Page 12, Section 3</Reference26>

  <Question27>27. Under what condition/s will the squelch threshold be broken?</Question27>
  <Choice27A>The Squelch switch is on and less than 3 uv at the antenna.</Choice27A>
  <Choice27B>The Squelch switch is on and more than 3 uv at the antenna.</Choice27B>
  <Choice27C>When the circuit is muted.</Choice27C>
  <Choice27D>Both b and c</Choice27D>
  <Correct27>None</Correct27>
  <Reference27>Student Workbook Page 12, Section 3</Reference27>

  <Question28>28. The sidetone input at A4J13 pin 17 comes from the ___________ module</Question28>
  <Choice28A>A8</Choice28A>
  <Choice28B>A7</Choice28B>
  <Choice28C>A2</Choice28C>
  <Choice28D>A1</Choice28D>
  <Correct28>None</Correct28>
  <Reference28>Student Workbook Page 12, Section 3</Reference28>

  <Question29>29. What is the possible frequency range for the A4 when using voice audio?</Question29>
  <Choice29A>16 Hz to 25 Hz</Choice29A>
  <Choice29B>300 Hz to 3000 Hz</Choice29B>
  <Choice29C>300 Hz to 6000 Hz</Choice29C>
  <Choice29D>NONE</Choice29D>
  <Correct29>None</Correct29>
  <Reference29>Student Workbook Page 12, Section 3</Reference29>
</blockfoursectionthree>